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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Endothelin Clear all
Completed No phase listed Observational

Mechanisms of Increased Ambulatory Blood Pressure in Patients With Intradialytic Hypertension

NCT01862497
View directory record Official record
Conditions
Intradialytic Hypertension
Interventions
Carvedilol vs. Prazosin
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 2 Interventional

Zibotentan and Dapagliflozin in Patients With Type 2 Diabetes and Elevated Albuminuria

NCT05570305
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Zibotentan, Dapagliflozin, Placebo, Dapagliflozin and Zibotentan
Drug
Lead sponsor
University Medical Center Groningen
Other
Eligibility
18 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 2 Interventional

A Prospective, Double-Blind, Placebo-Controlled, Multicenter Study to Evaluate Efficacy and Safety of Atrasentan, Including Thoracic Bioimpedance, in Type 2 Diabetic Subjects With Nephropathy

NCT01399580
View directory record Official record
Conditions
Chronic Kidney Disease, Diabetic Nephropathy
Interventions
Atrasentan, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
28
States / cities
Phoenix, Arizona • Tempe, Arizona • Azusa, California + 23 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2013 · Synced Sep 12, 2026, 7:15 PM EDT
Active, not recruiting Phase 3 Interventional

Study to Investigate Efficacy, Safety, and Tolerability of Zibotentan/Dapagliflozin Compared to Dapagliflozin in Participants With Chronic Kidney Disease and High Proteinuria (ZENITH High Proteinuria)

NCT06087835
View directory record Official record
Conditions
Chronic Kidney Disease With High Proteinuria
Interventions
Zibotentan/Dapagliflozin, Dapagliflozin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 95 Years
Enrollment
1,835 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
64
States / cities
Huntsville, Alabama • Sun City West, Arizona • Bakersfield, California + 55 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nebivolol and the Endothelin (ET)-1 System

NCT01395329
View directory record Official record
Conditions
Prehypertension, Hypertension
Interventions
Nebivolol, Metoprolol, Placebo, Forearm Blood Flow (FBF) response to BQ-123 (100 mol/min), FBF response to BQ-123 (100 nmol/min)+BQ-788(50 nmol/min), FBF response to Acetylcholine, FBF response to Sodium Nitroprusside, FBF response to BQ-123+BQ-788+ACh
Drug · Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
45 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 1, 2019 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 3 Interventional Results available

A Phase III Trial of ZD4054 (Zibotentan) (Endothelin A Antagonist) in Hormone Resistant Prostate Cancer With Bone Metastases

NCT00554229
View directory record Official record
Conditions
Prostate Cancer
Interventions
ZD4054, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older · Male only
Enrollment
896 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
19
States / cities
Tucson, Arizona • Greenbrae, California • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2016 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 3 Interventional

Correlation of Endothelial Function and Early Coronary Artery Disease in Humans

NCT00271492
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
atrasentan
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 29, 2010 · Synced Sep 12, 2026, 7:15 PM EDT
Withdrawn Phase 4 Interventional

Early iNO for Oxidative Stress, Vascular Tone and Inflammation in Babies With Hypoxic Respiratory Failure

NCT01891500
View directory record Official record
Conditions
Persistent Fetal Circulation Syndrome, Hypertension, Pulmonary, of Newborn, Persistent, Persistent Pulmonary Hypertension of Newborn
Interventions
Inhaled nitric oxide, Nitrogen Gas, Crossover iNO
Drug
Lead sponsor
University of Florida
Other
Eligibility
30 Minutes to 48 Hours
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Airborne Ultrafine and Fine Particulate Matter: A Cause for Endothelial Dysfunction in Man?

NCT00814281
View directory record Official record
Conditions
Airway Inflammation
Interventions
placebo, Montelukast
Other · Drug
Lead sponsor
Marywood University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Scranton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 20, 2009 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Endothelin and L-Arginine on Racial Differences in Vasoconstriction

NCT03679780
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor, Vasoconstriction
Interventions
BQ-788, BQ-123, L-Arginine, NG Nitro L Arginine Methyl Ester, Sodium Nitroprusside, Lactated Ringer's
Drug
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 35 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2024 · Synced Sep 12, 2026, 7:15 PM EDT
Terminated Phase 3 Interventional Results available

A Open Label Study to Assess the Long-term Safety, Tolerability and Efficacy of Ambrisentan in Subjects With Inoperable Chronic Thromboembolic Pulmonary Hypertension (CTEPH)

NCT01894022
View directory record Official record
Conditions
Hypertension
Interventions
Ambrisentan 5 mg
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Boston, Massachusetts • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 2 Interventional Results available

Zibotentan and Dapagliflozin for the Treatment of CKD (ZENITH-CKD Trial)

NCT04724837
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Zibotentan, Dapagliflozin, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
542 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
50
States / cities
Huntsville, Alabama • Beverly Hills, California • Downey, California + 44 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Sep 12, 2026, 7:15 PM EDT
Recruiting Phase 3 Interventional

Assess the Safety and Efficacy of Sovateltide in Patients With Acute Cerebral Ischemic Stroke

NCT05691244
View directory record Official record
Conditions
Acute Ischemic Stroke, Cerebral Stroke
Interventions
Drug: Normal Saline, Sovateltide
Drug
Lead sponsor
Pharmazz, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
514 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
14
States / cities
Tucson, Arizona • Carmichael, California • Oxnard, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 12, 2026, 7:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Rosiglitazone on Blood Vessels in Patients With High Blood Pressure and High Cholesterol

NCT00006071
View directory record Official record
Conditions
Hypercholesterolemia, Hypertension
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 4 Interventional Results available

Study of Add-on Ambrisentan Therapy to Background Phosphodiesterase Type-5 Inhibitor (PDE5i) Therapy in Pulmonary Arterial Hypertension (ATHENA-1)

NCT00617305
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Ambrisentan, Placebo, Sildenafil, Tadalafil
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
16 Years to 75 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
30
States / cities
Mobile, Alabama • Phoenix, Arizona • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2012 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 3 Interventional Results available

FREEDOM-C: Oral Treprostinil in Combination With an Endothelin Receptor Antagonist (ERA) and/or a Phosphodiesterase-5 (PDE-5) Inhibitor for the Treatment of Pulmonary Arterial Hypertension (PAH)

NCT00325442
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Oral treprostinil (UT-15C) sustained release tablets, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
12 Years to 70 Years
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
39
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2017 · Synced Sep 12, 2026, 7:15 PM EDT
Completed No phase listed Observational

Observational Endothelin and Markers of Cellular Apoptosis In CSF Head Injury

NCT00498498
View directory record Official record
Conditions
Cerebrovascular Trauma, Neurohormones, Cellular Apoptosis, Endothelin System
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
8
States / cities
Sacramento, California • Torrance, California • Miami, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 15, 2011 · Synced Sep 12, 2026, 7:15 PM EDT
Completed No phase listed Observational

Physiologic Mechanisms in Pediatric Traumatic Brain Injury (TBI)

NCT01763892
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
5 Days to 15 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Sep 12, 2026, 7:15 PM EDT
Withdrawn Phase 3 Interventional

FREEDOM DR: Oral Treprostinil in Combination With an Endothelin Receptor Antagonist (ERA) and/or a Phosphodiesterase-5 (PDE-5) Inhibitor or as Monotherapy for the Treatment of Pulmonary Arterial Hypertension (PAH)

NCT00760916
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
UT-15C 1 mg, UT-15C 0.25 mg, UT-15C 5 mg, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
26
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2013 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glomerular Injury of Preeclampsia

NCT00275158
View directory record Official record
Conditions
Pre-Eclampsia
Interventions
L-Arginine Supplementation
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2003
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2010 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Not applicable Interventional Results available

Endothelin Blockade in Patients With Single Ventricle Physiology

NCT00989911
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Bosentan
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
12 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 26, 2015 · Synced Sep 12, 2026, 7:15 PM EDT
Completed Phase 3 Interventional Results available

Study of Sparsentan in Patients With Primary Focal Segmental Glomerulosclerosis (FSGS)

NCT03493685
View directory record Official record
Conditions
Focal Segmental Glomerulosclerosis
Interventions
sparsentan, Irbesartan
Drug
Lead sponsor
Travere Therapeutics, Inc.
Industry
Eligibility
8 Years to 75 Years
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
87
States / cities
Mesa, Arizona • Phoenix, Arizona • Los Angeles, California + 73 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 12, 2026, 7:15 PM EDT
Active, not recruiting No phase listed Observational

ET1 Concentration, Metabolic Pathway Activation, and Pulmonary Blood Flow in Infants Undergoing Superior Cavo-Pulmonary Anastomosis

NCT03404258
View directory record Official record
Conditions
Single-ventricle, Pulmonary Vascular Resistance Abnormality, Superior Cavo-Pulmonary Anastomosis, Endothelin, Metabolomics
Interventions
Research Blood Sampling
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 2 Years
Enrollment
50 participants
Timeline
2018 – 2027
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 12, 2026, 7:15 PM EDT
Terminated Phase 3 Interventional Results available

Study Looking at Combination Therapy (Sitaxsentan+Sildenafil) Vs. Monotherapy (Sitaxsentan Alone) SR-PAAS -Sitaxsentan Efficacy And Safety Trial With A Randomized Prospective Assessment Of Adding Sildenafil

NCT00796666
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension
Interventions
Sitaxsentan, Sitaxsentan and Sildenafil
Drug
Lead sponsor
Pfizer
Industry
Eligibility
16 Years to 80 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
12
States / cities
Fountain Valley, California • Gainesville, Florida • Weston, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2015 · Synced Sep 12, 2026, 7:15 PM EDT